Σ index Eq pack 19 Eq pack 13 Σ#12 Batch 22 Matrix 17 Σ#24 Batch 10 Ledger /9 Rxn set 8 Eq pack 25 Σ#18 Rxn set 26 Rxn set 14 Matrix 5 Ledger /3 Matrix 23

Field Notes / Σ /sym/3cad98

id=1 · host=formula-vault.cloud · 2026-10-19 20:14Z

\binom{n}{k} = \frac{n!}{k!(n-k)!}

12α² + 6α + 7 = 0

46K

d/dt [t^3] = 3t^2

468K

CaCO₃ → CaO + CO₂

d/dθ [θ^3] = 3θ^2

289K

\binom{n}{k} = \frac{n!}{k!(n-k)!}

278K

e^{i\pi} + 1 = 0

PV = nRT

339K

e^{i\pi} + 1 = 0

177K

∂x/∂r = 4x

∂β/∂z = 1β

358K

det| 7 7 ; 4 8 | = 28

121K

∑_{k=1}^{n} k = n(n+1)/2

399K

det| 9 4 ; 1 10 | = 86

316K